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Optical constants of SCHOTT - SF (Dense flint)
P-SF67

Wavelength: µm
 (0.39 – 2.5)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=\frac{1.97464225λ^2}{λ^2-0.0145772324}+\frac{0.467095921λ^2}{λ^2-0.0669790359}+\frac{2.43154209λ^2}{λ^2-157.444895}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.82e-07 1.15e-08 -9.95e-12 1.15e-06 1.65e-09 0.315
n_d: 1.9068
V_d: 21.4
glass_code: 907214.424
glass_status: special
density: 4.236 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.23e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.39e-06 K-1
ΔP_gF: 0.0256
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.3
phosphate_resistance: 1.0

Comments

inquiry glass suitable for precision molding

References

SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

SCHOTT AG

SCHOTT AG is a German glass manufacturer. SCHOTT also publishes a glass catalog (SCHOTT Optical Glass Datasheets), which is a standard reference for the properties of many optical glasses.

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